<template>
  <div class="login">
    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form" @keyup.enter.native="handleLogin">
      <!--      <h3 class="title">帝可得后台管理系统</h3>-->
      <el-form-item prop="username">
        <el-input
            v-model="loginForm.username"
            type="text"
            size="large"
            auto-complete="off"
            placeholder="账号"
        >
          <template #prefix>
            <svg-icon icon-class="user" class="el-input__icon input-icon"/>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
            v-model="loginForm.password"
            type="password"
            size="large"
            auto-complete="off"
            placeholder="密码"
            @keyup.enter="handleLogin"
        >
          <template #prefix>
            <svg-icon icon-class="password" class="el-input__icon input-icon"/>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
            v-model="loginForm.code"
            size="large"
            auto-complete="off"
            placeholder="验证码"
            style="width: 63%"
            @keyup.enter="handleLogin"
        >
          <template #prefix>
            <svg-icon icon-class="validCode" class="el-input__icon input-icon"/>
          </template>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">

        <el-button
            :loading="loading"
            size="large"
            type="primary"
            style="width:100%;"
            @click.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2023 ruoyi.vip All Rights Reserved.</span>
    </div>
  </div>
</template>
<script setup>
import {getCodeImg} from "@/api/login";
import Cookies from "js-cookie";
import {
  encrypt,
  decrypt
} from "@/utils/jsencrypt";
import useUserStore from '@/store/modules/user'
const userStore = useUserStore()
const route = useRoute();
const router = useRouter();
const {proxy} = getCurrentInstance();
const loginForm = ref({
  //username: "admin",
  //password: "admin123",
  username: "admin",
  password: "111111",
  rememberMe: false,
  code: "",
  uuid: ""
});
const loginRules = {
  username: [{
    required: true,
    trigger: "blur",
    message: "请输入您的账号"
  }],
  password: [{
    required: true,
    trigger: "blur",
    message: "请输入您的密码"
  }],
  code: [{
    required: true,
    trigger: "change",
    message: "请输入验证码"
  }]
};
const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);
watch(route,
    (newRoute) => {
      redirect.value = newRoute.query && newRoute.query.redirect;
    },
    {immediate: true});
function handleLogin() {
  proxy.$refs.loginRef.validate(valid => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username",
            loginForm.value.username,
            {expires: 30});
        Cookies.set("password",
            encrypt(loginForm.value.password),
            {expires: 30});
        Cookies.set("rememberMe",
            loginForm.value.rememberMe,
            {expires: 30});
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      // 调用action的登录方法
      userStore.login(loginForm.value)
          .then(() => {
            const query = route.query;
            const otherQueryParams = Object.keys(query)
                .reduce((acc,
                         cur) => {
                      if (cur !== "redirect") {
                        acc[cur] = query[cur];
                      }
                      return acc;
                    },
                    {});
            router.push({
              path: redirect.value || "/",
              query: otherQueryParams
            });
          })
          .catch(() => {
            loading.value = false;
            // 重新获取验证码
            if (captchaEnabled.value) {
              getCode();
            }
          });
    }
  });
}
function getCode() {
  getCodeImg()
      .then(res => {
        captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (captchaEnabled.value) {
          codeUrl.value = "data:image/gif;base64," + res.img;
          loginForm.value.uuid = res.uuid;
        }
      });
}
function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  };
}
getCode();
getCookie();
</script>
<style lang='scss' scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  //background-image: url("../assets/images/login-background1.png");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 40px;

    input {
      height: 40px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 40px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
